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从解淀粉芽孢杆菌。高纯度。在淀粉结构的研究。在50％甘油加0.02％叠氮化钠。
比活性54单位/毫克（40℃，pH值6.5，Ceralpha试剂）。
4年稳定在20℃。
High purity α-Amylase (Bacillus amyloliquefaciens) for use in research, biochemical enzyme assays and in vitrodiagnostic analysis.
EC 3.2.1.1
CAZY Family: GH13
CAS: 9000-90-2
alpha-amylase; 4-alpha-D-glucan glucanohydrolase
From Bacillus amyloliquefaciens.
In 50% (v/v) glycerol plus 0.02% sodium azide.
Specific activity: ~ 50 U/mg (40oC, pH 6.5 on Ceralpha Reagent).
Stability: > 4 years at -20oC.
DESCRIPTION
α-Amylase (Bacillus amyloliquefaciens)
EC 3.2.1.1
CAZy Family: GH13
CAS: 9000-90-2
Synonyms
alpha-amylase; 4-alpha-D-glucan glucanohydrolase
Form:
In 50% (v/v) glycerol plus 0.02% sodium azide.
Stability:
> 4 years at -20oC.
Specific activity:
~ 50 U/mg (40oC, pH 6.5 on Ceralpha Reagent).
Unit definition:
One Unit of α-amylase is the amount of enzyme required to release one μmole ofp-nitrophenol from blocked p-nitrophenyl-maltoheptaoside per minute (in the presence of excess α-glucosidase) (i.e. Ceralpha Reagent) at pH 6.5 and 40oC.
Specificity:
Endohydrolysis of (1,4)-α-D-glucosidic linkages in polysaccharides containing three or more (1,4)-α-linked D-glucose units.
Applications:
Industrial applications particularly in brewing and food processing.